From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DBE84C2BA19 for ; Wed, 15 Apr 2020 11:15:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B8FAD2074F for ; Wed, 15 Apr 2020 11:15:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2896818AbgDOLPW (ORCPT ); Wed, 15 Apr 2020 07:15:22 -0400 Received: from sauhun.de ([88.99.104.3]:52888 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2896823AbgDOLOg (ORCPT ); Wed, 15 Apr 2020 07:14:36 -0400 Received: from localhost (p54B33507.dip0.t-ipconnect.de [84.179.53.7]) by pokefinder.org (Postfix) with ESMTPSA id 897E82C1FF3; Wed, 15 Apr 2020 13:14:34 +0200 (CEST) Date: Wed, 15 Apr 2020 13:14:34 +0200 From: Wolfram Sang To: Wan Ahmad Zainie Cc: jarkko.nikula@linux.intel.com, andriy.shevchenko@linux.intel.com, mika.westerberg@linux.intel.com, linux-i2c@vger.kernel.org Subject: Re: [PATCH 2/2] i2c: designware: Calculate SCL timing parameter for High Speed Mode Message-ID: <20200415111434.GR1141@ninjato> References: <20200407133439.23422-1-wan.ahmad.zainie.wan.mohamad@intel.com> <20200407133439.23422-3-wan.ahmad.zainie.wan.mohamad@intel.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="A1VS04HCCjrR2aaM" Content-Disposition: inline In-Reply-To: <20200407133439.23422-3-wan.ahmad.zainie.wan.mohamad@intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org --A1VS04HCCjrR2aaM Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Apr 07, 2020 at 09:34:39PM +0800, Wan Ahmad Zainie wrote: > Custom parameters for HCNT/LCNT are not available for OF based system. > Thus, we will use existing SCL timing parameter calculation functions > for High Speed Mode too. >=20 > The value for the parameters tSYMBOL and tLOW is taken from DesignWare > DW_apb_i2c Databook v2.01a, section 3.15.4.6. The calculation should > assume higher bus load since it gives slower timing parameter. >=20 > Signed-off-by: Wan Ahmad Zainie > Reviewed-by: Andy Shevchenko Applied to for-next, thanks! --A1VS04HCCjrR2aaM Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAl6W7JoACgkQFA3kzBSg Kbad6RAAgIr2WZAmQC4wE0eg8Cliobd3/7jABVgRlNF6uRWhqpoDRhkuj6nf3AFT FMh1C+0pSLXF+86/Y/hmlR7zYzG1RHnQr+572FBxVctVtHVeUJd1FBPa1dgKzI79 X3xZLmK4T5AOSYxfsGAV41mgcAbNXj4ewzP2Ja5EDt2tUnA9znnW41/J4NN2rrFz EDBTRpLZANwl1dMhtyHbeQiLhbD3gwrMOdiyRHpfnFhbDGF01UV7Z2UyEgUVjI/4 cPBr4rQ2QXXe61fil6TTjPpZxl6RYZXGHQ/ilahMoqtx+7kf6yDxPq84ghpaqsLC +76eSNGNHuMRRshuG05LmOuVN6ySoHHonv4Iumqt7GhOZ7diG9irK5t9Wqxzna30 bOA6LPPNtqpCf7pK6TS9PaRC4Md/B2XxHoL7KfIl1V3TO+p9jvCbQ8qqMAMxqKat uhHtwaPK6Vk/iQZw3BM43chJxMkdie8t2E5H2jT8QcaLRTVzr0nx7G3CfrzrhhG8 uNzwNGFw2wbBt5pfp/eyiJDV56eGd2oS0zJaCP6V3Wsu62IA4+gcl8k3mh0CUv7U l6FdwVR2SPQI8Fb9Grhq6IZ3OMmvnU+yTmzKcHxRF/jzc+wfugupof5ssMe6oSn8 +uKyE8dz9n9+tHt28fbFFch0K6ftWRng2BjSlxNgVaJTEdnLXFI= =Ae9F -----END PGP SIGNATURE----- --A1VS04HCCjrR2aaM--